@article{10.2307/1990202,
    Author = {Everett, C. J. and Ulam, S.},
    File = {On Ordered Groups - 1990202.pdf},
    ISSN = {00029947},
    Journal = {Transactions of the American Mathematical Society},
    Number = {2},
    Pages = {208--216},
    Publisher = {American Mathematical Society},
    Title = {On Ordered Groups},
    URL = {http://www.jstor.org/stable/1990202},
    URLDate = {2022-04-19},
    Volume = {57},
    Year = {1945},
    bdsk-url-1 = {http://www.jstor.org/stable/1990202},
    date-added = {2022-04-19 21:45:30 +0200},
    date-modified = {2022-04-19 21:45:30 +0200},
    doi = {10.2307/1990202}
}

@article{10.2307/1990202, Author = {Everett, C. J. and Ulam, S.}, File = {On Ordered Groups - 1990202.pdf}, ISSN = {00029947}, Journal = {Transactions of the American Mathematical Society}, Number = {2}, Pages = {208--216}, Publisher = {American Mathematical Society}, Title = {On Ordered Groups}, URL = {http://www.jstor.org/stable/1990202}, URLDate = {2022-04-19}, Volume = {57}, Year = {1945}, bdsk-url-1 = {http://www.jstor.org/stable/1990202}, date-added = {2022-04-19 21:45:30 +0200}, date-modified = {2022-04-19 21:45:30 +0200}, doi = {10.2307/1990202} }